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1xEV-DO Measurements
R&S
®
CMW-KM8xx/-KS8xx
249
User Manual 1173.9511.02 ─ 12
Note that the R&S
CMW considers carriers to be adjacent, if the absolute offset
between their center frequencies is less than the sum of the channel spacing (1.23
MHz or 1.25 MHz) and an additional guard band of 6.25 kHz.
Band Class
Adjacency Threshold
0
1.23625 MHz
>0
1.25625 MHz
3.2.8 Multi Evaluation Measurement Results
The results of the 1xEV-DO multi evaluation measurement are displayed in several dif-
ferent views. Use the "Multi Evaluation > Assign Views" hotkey to selectively enable/
disable a particular view and the "Display > ..." hotkeys to change its appearance and
contents, e.g. the carrier whose measurement results shall be displayed (1xEV-DO
Rev. B) . The views are described in the following sections.
....................................................................................249
Multi Evaluation Detailed Views: EVM, Magnitude Error, Phase Error
Multi Evaluation Detailed Views: Code Domain
....................................................251
Multi Evaluation Detailed Views: Spectrum
...........................................................253
Multi Evaluation Detailed Views: Channel Power
................................................. 255
Multi Evaluation Detailed Views: IQ
...................................................................... 256
Multi Evaluation Detailed Views: TX Measurement (Scalar) and Power
3.2.8.1
Multi Evaluation: Overview
In the overview a selection of the following results can be displayed:
●
Error Vector Magnitude (EVM)
●
Magnitude error
●
Phase error
●
Code domain including Code Domain Power (CDP) and Code Domain Error (CDE)
●
Spectrum, comprising Adjacent Channel Power (ACP) and Occupied Bandwidth
(OBW)
●
Channel power
●
IQ constellation
●
Most important statistical results of the detailed views "Power" and "TX Measure-
ment"
See also: "TX Measurements" in the R&S
CMW user manual, chapter "System Over-
view"
General Description
深圳德标仪器
135-1095-0799